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PHP presets the http string function code for the URL address obtained by the form_PHP tutorial
- WBOYOriginal
- 2016-07-21 15:37:57798browse
Copy code The code is as follows:
if (!preg_match("/^(http|ftp):/", $_POST[' url'])) {
$_POST['url'] = 'http://'.$_POST['url'];
}
This code first uses regular expressions The expression checks whether there is "http" or "ftp" and a colon ":" in the string. If not, add "http://" in front of the string.
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